By the Gun (2014) is a Crime, Drama, Thriller film that follows a rising Boston gangster (Ben Barnes) endangers those around him when he starts to make moves without the knowledge of his boss (Harvey Keitel). Currently, you can watch By the Gun on Amazon Prime Video, Amazon Prime Video with Ads. Streaming availability may vary by country and platform over time. It has a user rating of 4.3 out of 10 from 68 votes. Fans of crime movies may also want to explore similar titles below.